 |
| Identity |
| 3D Structure |
| Physicochemical data |
| Environmental fate |
| Mammal toxicology |
| Ecotoxicology |
| Metabolism |
| Safety classifications |
| Evaluation |
4-Toluenesulfonic acid [104-15-4] |
 |
Physicochemical data
| value | source | ||
|---|---|---|---|
| Description | colorless platelets | WEKA | |
| Odor | pungent | WEKA | |
| Melting point | 106 to 107 °C ((anhydrous)) | Merck Index | |
| Boiling point | 185 to 187 °C at 130 hPa | WEKA | |
| Boiling point | 140 °C at 26 hPa | WEKA | |
| Density | 1.24 g/mL at 20 °C ((monohydrate)) | BUA 63 | |
| Vapor pressure | ≤ 0.01 hPa at 20 °C ((monohydrate)) | BUA 63 | |
| pKa | 0.51 at 20°C | ACD-pKa | |
| pKa | 0.430.51 at 20°C (calculated) | ACD-pKa | |
| Flash point | 180 °C | BUA 63 | |
| Ignition temperature | ≅ 600 °C | BUA 63 | |